ABAP Select data from SAP table PQA_HGCCSIC0_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PQA_HGCCSIC0_ALV table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to PQA_HGCCSIC0_ALV. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the PQA_HGCCSIC0_ALV table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_PQA_HGCCSIC0_ALV TYPE STANDARD TABLE OF PQA_HGCCSIC0_ALV,
      WA_PQA_HGCCSIC0_ALV TYPE PQA_HGCCSIC0_ALV,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <PQA_HGCCSIC0_ALV> TYPE PQA_HGCCSIC0_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PQA_HGCCSIC0_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PQA_HGCCSIC0_ALV
  INTO TABLE IT_PQA_HGCCSIC0_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PQA_HGCCSIC0_ALV
*  INTO TABLE @DATA(IT_PQA_HGCCSIC0_ALV2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_PQA_HGCCSIC0_ALV INDEX 1 INTO DATA(WA_PQA_HGCCSIC0_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PQA_HGCCSIC0_ALV ASSIGNING <PQA_HGCCSIC0_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PQA_HGCCSIC0_ALV>-SEL = 1.
<PQA_HGCCSIC0_ALV>-COMNM = 1.
<PQA_HGCCSIC0_ALV>-COMNR = 1.
<PQA_HGCCSIC0_ALV>-CINEE = 1.
<PQA_HGCCSIC0_ALV>-FNAME = 1.

ENDLOOP.

LOOP AT IT_PQA_HGCCSIC0_ALV INTO WA_PQA_HGCCSIC0_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PQA_HGCCSIC0_ALV-JDATE, sy-vline,
  WA_PQA_HGCCSIC0_ALV-TDATE, sy-vline,
  WA_PQA_HGCCSIC0_ALV-ERCNT, sy-vline,
  WA_PQA_HGCCSIC0_ALV-ERCIT, sy-vline,
  WA_PQA_HGCCSIC0_ALV-ERPOB, sy-vline,
  WA_PQA_HGCCSIC0_ALV-ERPOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PQA_HGCCSIC0_ALV you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_PQA_HGCCSIC0_ALV TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_PQA_HGCCSIC0_ALV INTO WA_PQA_HGCCSIC0_ALV.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit PDATE, internal->external for field GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PQA_HGCCSIC0_ALV-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PQA_HGCCSIC0_ALV-GBDAT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PQA_HGCCSIC0_ALV_STR, 
SEL TYPE STRING,
COMNM TYPE STRING,
COMNR TYPE STRING,
CINEE TYPE STRING,
FNAME TYPE STRING,
JDATE TYPE STRING,
TDATE TYPE STRING,
ERCNT TYPE STRING,
ERCIT TYPE STRING,
ERPOB TYPE STRING,
ERPOC TYPE STRING,
ERTEL TYPE STRING,
ERFAX TYPE STRING,
ERMAI TYPE STRING,
ERTYP TYPE STRING,
EEADD TYPE STRING,
EEMAI TYPE STRING,
EEMOB TYPE STRING,
EEEDU TYPE STRING,
EESPE TYPE STRING,
NATIO TYPE STRING,
FAMST TYPE STRING,
GBDAT TYPE STRING,
PLSTX TYPE STRING,
GESCH TYPE STRING,
EERSI TYPE STRING,
EESIN TYPE STRING,
CSDAT TYPE STRING,
BCSAL TYPE STRING,
SOALO TYPE STRING,
CHALO TYPE STRING,
CLALO TYPE STRING,
HOALO TYPE STRING,
OTALO TYPE STRING,
REMAK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PQA_HGCCSIC0_ALV_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_PQA_HGCCSIC0_ALV_STR-SEL sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-COMNM sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-COMNR sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-CINEE sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-FNAME sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-JDATE sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-TDATE sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-ERCNT sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-ERCIT sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-ERPOB sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-ERPOC sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-ERTEL sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-ERFAX sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-ERMAI sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-ERTYP sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-EEADD sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-EEMAI sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-EEMOB sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-EEEDU sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-EESPE sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-NATIO sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-FAMST sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-GBDAT sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-PLSTX sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-GESCH sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-EERSI sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-EESIN sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-CSDAT sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-BCSAL sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-SOALO sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-CHALO sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-CLALO sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-HOALO sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-OTALO sy-vline 
WA_PQA_HGCCSIC0_ALV_STR-REMAK sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.